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学科主题: 金属有机化学
题名: Carbon-Carbon Bond Formation Reactivity of a Four-Coordinate NHC-Supported Iron(II) Phenyl Compound
其他题名: 氮杂环卡宾配体支撑的四配位二价铁芳基化合物促进的碳碳键形成反应
作者: Liu YS(刘月盛)1; Xiao J(肖洁)1; Wang L(王磊)1; Song Y(宋友)1; Deng L(邓亮)1
通讯作者: 邓亮
刊名: Organometallics
发表日期: 2015
DOI: 10.1021/om501061b
卷: 34, 期:3, 页:599-605
收录类别: SCI
文章类型: 论文
英文摘要: The preparation and characterization of a NHC-coordinated (NHC = N-heterocyclic carbene) ferrous phenyl complex [(IPr2Me2)(2)FePh2] (1; IPr2Me2 = 1,3-diisopropyl-4,5-dimethylimidazol-2-ylidene) as well as its C-C bond formation reactivity have been studied. The four coordinate iron(II) phenyl complex was prepared from the reaction of ferrous chloride with PhMgBr and IPr2Me2. It reacts with nonactivated primary and secondary alkyl bromides and chlorides to furnish cross-coupling products and the iron(II) monophenyl species (IPr2Me2)(2)FePhX (X = Br (2), Cl). When it is treated with cyclooctatetraene (cot) or [Cp2Fe][BAr4E] in the presence of PMe3, it undergoes coordination or one electron oxidation induced reductive elimination of biphenyl to form the corresponding iron(0) or iron(I) species [(IPr2Me2)(2)Fe(eta(4)-cot)] (3) or [(IPr2Me2)(2)Fe(PMe3)(2)][BAr4E] (4). All of these iron-containing products have been fully characterized by various spectroscopic methods. Complex 1 and (IPr2Me2)(2)FeCl2 catalyze the reaction of n-C8H17Br with (p-tolyl)MgBr to afford the cross-coupling product in moderate yields (49% and 47%), whereas the reactions employing 4 and 1/PMe3 as catalysts give the cross-coupling product in very low yields. The results reflect the complexity of the reaction mechanism of iron-catalyzed coupling reactions.
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000349273900010
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/39563
Appears in Collections:金属有机化学国家重点实验室_期刊论文

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作者单位: 1.中科院上海有机化学研究所, 金属有机化学国家重点实验室
2.南京大学

Recommended Citation:
Liu YS,Xiao J,Wang L,et al. Carbon-Carbon Bond Formation Reactivity of a Four-Coordinate NHC-Supported Iron(II) Phenyl Compound[J]. Organometallics,2015,34(3):599-605.
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